浙江东辰阀门科技有限公司
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自力式压力调节阀

设备介绍
DC1521系列自力式压力调节阀是不需要任何外加能源,利用被调介质自身能量而自动调节阀的执行产品,该产品的最大特点就是能在无电、无气的场所使用,同时又节约了能源。
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产品描述

特殊系列调节阀                                                                                                         Special series regulating valve

DC1521 自力式压力调节阀                                                                                         DC1521  Self-operated pressure regulating valve

DC1521系列自力式压力调节阀是不需要任何外加能源,利用被调介质自身能量而自动调节阀的执行产品,该产品的最大特点就是能在无电、无气的场所使用,同时又节约了能源。压力设定值在一定范围内随意可调,根据调压方式不同可分为DC1521B系列阀后稳压型和DC1521K阀前稳压型,详情介绍如下:

DC1521 series self-operated pressure regulating valve is an execution product that does not require any external energy and automatically adjusts the valve by using the energy of the medium to be adjusted. The biggest feature of this product is that it can be used in places without electricity and gas, and save energy. . The pressure setting value can be adjusted freely within a certain range. According to different voltage regulation methods, it can be divided into DC1521B series valve regulator type and DC1521K valve front regulator type. The details are as follows:

技术参数 technical data

公称通径:DN20~DN300(3/4″~12″)

压力等级:PN16~PN100(ANSI 150~600)

连接方式:法兰连接、对焊连接

阀盖形式:标准型、散热型

泄漏等级:Ⅳ级(硬密封),Ⅵ级(软密封)

 

DC1521B系列阀后稳压型:

DC1521B series post-valve regulator

    用于控制阀后压力的调节阀,阀作用方式为压闭型。其工作原理如下:

    介质由箭头方向流入阀体,经阀座、阀芯节流后输出。另一路经取压管(介质为蒸汽时加冷凝器)被引入执行机构作用于膜片上,使阀芯随之发生相应的位移,达到减压、稳压的目的。如阀后压力增加,作用于膜片上的力增加,压缩弹簧,带动阀芯,使阀门的开度减小,直到阀后压力下降至设定值为止。同理,如阀后压力降低,作用在膜片上的力减小,由于弹簧的反作用力,带动阀芯,使阀门的开度加大,直到阀后压力上升至设定值为止。

Regulating valve for controlling the pressure behind the valve. The valve action mode is pressure-closing type. It works as follows:

The medium flows into the valve body from the direction of the arrow, and is output after being throttled by the valve seat and the valve core. The other way is through the pressure taking pipe (the condenser is added when the medium is steam) to the actuator to act on the diaphragm, so that the valve core will be correspondingly displaced to achieve the purpose of decompression and voltage stabilization. If the pressure behind the valve increases, the force acting on the diaphragm increases, the spring is compressed, and the valve core is driven to reduce the opening of the valve until the pressure behind the valve drops to the set value. Similarly, if the pressure behind the valve decreases, the force on the diaphragm decreases. Due to the reaction force of the spring, the valve core is driven to increase the valve opening degree until the pressure behind the valve rises to the set value.

C1521K系列阀前稳压型                                                                                             DC1521K series front valve regulator

    用于控制阀前压力的调节阀,阀作用方式为压开型。其工作原理如下:

    介质由箭头方向流入阀体,经阀座、阀芯节流后输出。另一路经取压管(介质为蒸汽时加冷凝器)被引入执行机构作用于膜片上,使阀芯随之发生相应的位移,达到减压、稳压的目的。如阀前压力增加,作用于膜片上的力增加,压缩弹簧,带动阀芯,使阀门的开度增大,直到阀后压力下降至设定值为止。同理,如阀后压力降低,作用在膜片上的力减小,由于弹簧的反作用力,带动阀芯,使阀门的开度减小,直到阀前压力上升至设定值为止。若阀前压力小于设定值则该阀一直处于关闭状态。

 

    Regulating valve used to control the pressure in front of the valve. It works as follows:

    The medium flows into the valve body from the direction of the arrow, and is output after being throttled by the valve seat and the valve core. The other way is through the pressure taking pipe (the condenser is added when the medium is steam) to the actuator to act on the diaphragm, so that the valve core will be correspondingly displaced to achieve the purpose of decompression and voltage stabilization. If the pressure before the valve increases, the force acting on the diaphragm increases, and the spring is compressed to drive the valve core to increase the opening of the valve until the pressure behind the valve drops to the set value. Similarly, if the pressure behind the valve decreases, the force acting on the diaphragm decreases. Due to the reaction force of the spring, the valve core is driven to reduce the opening degree of the valve until the pressure before the valve rises to the set value. If the pressure before the valve is less than the set value, the valve is always closed.

技术参数 technical data

公称通径:DN20~DN300(3/4″~12″)

压力等级:PN16~PN100(ANSI 150~600)

连接方式:法兰连接、对焊连接

阀盖形式:标准型、散热型

泄漏等级:Ⅳ级(硬密封),Ⅵ级(软密封)

 

Technical data

Nominal diameter: DN20 ~ DN300 (3/4 ″ ~ 12 ″)

Pressure rating: PN16 ~ PN100 (ANSI 150 ~ 600)

Connection method: flange connection, butt welding connection

Valve cover form: standard type, heat dissipation type

Leakage level: level IV (hard seal), level VI (soft seal)

 
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